Free Online Calculators
Inch → Centimeter
1 inch = 2.54 cm, and 1 centimeter = 0.393701 in.
Reverse: CM to Inches Converter
The inch is defined as exactly 2.54 centimeters, so the conversion is a single multiplication. Use it for TV sizes, waist measurements, paper formats and hardware.
| in | cm |
|---|---|
| 0.5 in | 1.27 cm |
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 30 in | 76.2 cm |
| 40 in | 101.6 cm |
| 50 in | 127 cm |
| 60 in | 152.4 cm |
| 70 in | 177.8 cm |
| 80 in | 203.2 cm |
| 90 in | 228.6 cm |
| 100 in | 254 cm |
| 150 in | 381 cm |
| 200 in | 508 cm |
| 250 in | 635 cm |
| 300 in | 762 cm |
| 500 in | 1,270 cm |
| 1,000 in | 2,540 cm |
Calculated with the same formula as the converter, rounded to six significant digits.
1 inch equals 2.54 cm. Formula: cm = in × 2.54.
10 in = 25.4 cm, because 10 × 2.54 = 25.4.
1 centimeter equals 0.393701 in. To convert back, divide by 2.54.